body {
    font-family: Arial, sans-serif;
    padding: 10px; /* 调整内边距 */
    text-align: center;
    border-radius: 20px; /* 添加圆角 */
    background-color: #ebeced; /* 更改背景颜色 */
    margin: 0; /* 确保没有外边距 */
    height: 100%; /* 填充整个窗口高度 */
    overflow: hidden; /* 禁止滚动条 */
    width: 260px;
}

input {
    padding: 8px;
    margin-right: 8px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}

#saveButton {
    padding: 7px 14px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    width: 60px;
}

#saveButton:hover {
    background-color: #0056b3;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
}